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Propane
Propane () is a three-carbon alkane with the molecular formula C3H8. It is a gas at standard temperature and pressure, but compressible to a transportable liquid. A by-product of natural gas processing and petroleum refining, it is commonly used as a fuel. Propane is one of a group of liquefied petroleum gases (LP gases). The others include butane, propylene, butadiene, butylene, isobutylene, and mixtures thereof.
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Propene
Propene, also known as propylene or methyl ethylene, is an unsaturated organic compound having the chemical formula
C
3
H
6
{displaystyle {{ce {C3H6}}}}
. It has one double bond, and is the second simplest member of the alkene class of hydrocarbons. It is a colorless gas with a faint petroleum-like odor
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Propane (noun)
An aliphatic hydrocarbon, C3H8, a constituent of natural gas.
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Propene (noun)
The organic chemical compound propylene. An alkene which is a colorless gaseous (at room temperature and pressure) hydrocarbon with the chemical formula C3H6.